Thirty-two people died in the 2007 Virginia Tech shooting, six died in the Tucson attack on Rep. Gabrielle Giffords, and 34 people are killed by a bullet every day in the United States. However, President Obama made no mention of gun control during his State of the Union address Tuesday. White House advisers say he will soon unveil new gun control efforts to strengthen current laws that allow mentally unstable people, such as alleged Arizona...